Which of the following does not represent a characteristic of pure substance?

It has a uniform texture throughout (homogeneous).

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It has a fixed boiling point or melting point.

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It is made up of different types of particles.

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It can be an element or a compound.

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Solution

The correct option is C It is made up of different types of particles.
Pure substances have uniform composition, fixed melting, and boiling point. They can be an element or a compound. A pure substance is made up of only one type of particle.
Hence, option C is correct.

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Similar questions

Which of the following does not have a fixed melting point/boiling point?

Explain the following :

(a) Electrovalent compounds conduct electricity in molten or aqueous state.

(b) Electrovalent compounds have a high melting point and boiling point while covalent compounds have low melting and boiling points.

(d) Atoms combine by transfer and sharing of electrons (s).

(e) An element has atoms with different mass number.

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